GH2909低膨胀高温合金热处理中的组织演变行为

李钊, 江河, 王涛, 付书红, 张勇

Microstructure Evolution of GH2909 Low Expansion Superalloy During Heat Treatment

LI Zhao, JIANG He, WANG Tao, FU Shuhong, ZHANG Yong

图7 标准热处理态GH2909合金(T4)晶界上G相的TEM像和SAED花样

Fig.7 TEM images and SAED patterns of G phase on grain boundary in GH2909 alloy after standard heat treatment (T4) (a) TEM images of G phase on grain boundary in GH2909 alloy after standard heat treatment (T4) (b, d) partial magnifications of the areas in Fig.7a, respectively (c, e) SAED patterns of Figs.7b and d, respectively